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How to prepare for Class 8 Science: Tips & Tricks for Science PDF Download

One thing to be kept in mind all along the way for Science preparation is that practice is the key here. The more you practice for every topic, the better understanding is achieved.

These topics should be practiced as much as possible. The key to solve problems is to by-heart the formulas, understand the theorems, and practice as many times as possible. Science can become your favorite subject with practice and dedication. 

How to prepare for Class 8 Science: Tips & Tricks for Science

Science Class 8 (VIII) - CBSE & NCERT Curriculum

Includes 104 docs, 200 videos & 36 tests

Tips & Tricks for Science :

1. Study from the Science NCERT Textbook and practice all the solved examples and exercise questions thoroughly before moving forward to extra practice from additional books. Refer to NCERT Solutions in case of any doubt.

NCERT Textbooks and solutions

Chapter 1 - Crop Production and Management

Chapter 2 - Micro-organisms : Friend or Foe

Chapter 3 - Synthetic Fibres and Plastics

Chapter 4 - Materials : Metals & Non-metals

Chapter 5 - Coal and Petroleum

Chapter 6 - Combustion & Flame

Chapter 7 - Conservation of Plants and Animals

Chapter 8 - Cell - Structure and Functions

Chapter 9 - Reproduction in Animals

Chapter 10 - Reaching the Age of Adolescence

Chapter 11 - Force and Pressure

Chapter 12 - Friction

Chapter 13 - Sound

Chapter 14 - Chemical Effects of Electric Current

Chapter 15 - Some Natural Phenomena

Chapter 16 - Light

Chapter 17 - Stars and the Solar System

Chapter 18 - Pollution of Air and Water

2. Practice, above all. The range of questions in class 8 is limited. With substantial practice, most question types will be internalized, and you won’t have to think for most questions.

3. Develop a good understanding of topics. It will help you with those challenging questions or derive formulae in the rare chance you forget. This can be done by watching videos for various topics that will help you develop an interest in the topic.

4. Understand all the concepts in as much depth as you can. And then solve different varieties of questions and problems. Attempt various topic-wise and chapter-wise tests. Also, practice mre with sample papers and previous year papers. Use your knowledge to solve some real life questions as well.

Practice tests

5. Give more importance to the topics which have high weightage. Solve the previous year exam papers which will increase your confidence and give you a pre-exam feel. It also helps to brush up all your concepts before the exam.

6. Don’t just read or mug up the topics but practice them. This is the most important thing which you need to keep in mind as reading Science does not help you. Instead, make a routine and give some time for practice.

Important Topics and Preparation tips for Each Chapter

Chapter 1 - Crop Production and Management

 You must have the basic idea of crop production practices.

  • Rabi and Kharif Crops- Examples
  • Basic Practices of Crop Production
  • Irrigation- Modern methods

Chapter 2 - Micro-organisms : Friend or Foe

This is a very interesting chapter about the world that is not visible to the naked eyes. There are many ways in which microorganisms are useful to us but they can be harmful to us as well. We need to be very careful while handling microorganisms.

  • Major groups of microorganisms
  • Uses of microorganisms
  • Harmful effects of microorganisms
  • Food poisoning
  • Nitrogen Cycle

Chapter 3 - Synthetic Fibres and Plastics

Fabrics are made from fibres obtained from natural or artificial sources. This chapter is all about synthetic fibres obtained by chemical processing of petrochemicals. Synthetic fibres are Rayon, Nylon, Polyester and Acrylic. Today life without plastic cannot be imagined. But we need to use synthetic fibres and plastics in such a manner that we can enjoy their good qualities and at the same time minimise the environmental hazards for the living communities.

  • Polymer
  • Synthetic fibres and plastics
  • Types of synthetic fibres as rayon, nylon, polyester and acrylic
  • Arrangement of units in plastics as linear or cross linked
  • Thermoplastics and thermosetting plastics
  • Biodegradable and non-biodegradable materials
  • The 4 R principle: Reduce, Reuse, Recycle and Recover

Chapter 4 - Materials : Metals & Non-metals

We are living in a world where nobody can live without the use of metals and non-matals. This a very important chapter.

  • Malleability, ductility, sonorous and lustrous with examples.
  • Conduction of heat and electricity.
  • Reactions of metals and non-metals with oxygen, water, acids and bases.
  • Displacement reactions.
  • Uses of metals and non-metals.

Chapter 5 - Coal and Petroleum

1. Coal
     a) Formation
     b) Products (coke, coal tar and coal gas) obtained after processing
     c) Uses
2. Petroleum
     a) Formation
     b) Refining
     c) Constituent
     d) Uses
3. Natural gas
     a) Characteristics
     b) Uses
     c) Advantages of CNG
4. Disadvantages of using fossil fuels

Chapter 6 - Combustion & Flame

1. Combustion (combustible and non-combustible substances)
2. Essential requirement to produce fire
3. Ignition temperature
4. Inflammable substances
5. Methods to control fire
6. Types of combustion
     a) Rapid
     b) Spontaneous
     c) Explosion
7. Flame
     a) Colour
     b) Zones
8. Fuel
     a) Characteristics of good fuel
     b) Calorific value
9. Harmful products and effects of burning fuel

Chapter 7 - Conservation of Plants and Animals

This chapter will help you become aware about the current conditions regarding environment on earth and how various factors including human activities are ruining the natural habitats of plants and organisms making their survival difficult in these conditions.

  • Deforestation
  • Conservation of forest and wild life
  • Extinct and endangered species
  • Migration
  • Recycling of paper and reforestation

Chapter 8 - Cell - Structure and Functions

This chapter is about you and all other beings. We all are made up of cells and through this chapter we can understand about cell and its organelles.

  • Cell and cell parts
  • Structure of plant and animal cell
  • Prokaryotic and eukaryotic cells
  • System of organisation of cells

Chapter 9 - Reproduction in Animals

  • Fertilization and its types
  • Difference between viviparous and oviparous animals with examples
  • Metamorphosis in frogs
  • Modes of asexual reproduction

Chapter 10 - Reaching the Age of Adolescence

You must read all the important topics so you don’t miss out important points and understand the chapter well.

  • Changes in puberty
  • Secondary sexual characteristics
  • Role of hormones
  • Sex determination

Chapter 11 - Force and Pressure

Picking, kicking, flicking, lifting, hitting, pushing, pulling, opening, shutting, stretching like actions involve the concept of force. Do you know that the force and area over which the force is applied are related. This relation is called pressure.

  • Forces (push and pull)
  • Contact forces (muscular and friction)
  • Non-contact forces (magnetic, electrostatic and gravitational)
  • Magnitude
  • State of motion
  • North and South poles of magnet
  • Pressure
  • Atmospheric pressure

Chapter 12 - Friction

Do you know that an object moving over the surface of another object slows down and finally stops it? Why do we slip when we step on banana peel? This is nothing, it is friction. Even a gem cannot be polished without this friction. This chapter is all about Jekyll and Hyde of friction.

  • Force of friction
  • Factors affecting friction
  • Lubricants
  • Rolling friction
  • Sliding friction
  • Fluid friction
  • Static friction
  • Ball bearings
  • Interlocking

Chapter 13 - Sound

This interesting chapter has a lot to do with practical knowledge. There are so many types of sound in the nature. Do you know why they are different? This chapter makes you aware about it.

  • Vibration
  • Amplitude
  • Frequency
  • Time period
  • Loudness
  • Pitch
  • Larynx
  • Oscillations
  • Noise
  • Noise pollution

Chapter 14 - Chemical Effects of Electric Current

Like solids, there are certain liquids also which allow current to pass through them. we are asked not to touch an electrical switch or appliance with wet hand for the same reason. The passage of currents through conducting liquids causes certain chemical reactions and these effects are chemical effects of current.

  • Conducting Liquids
  • Chemical Effects of Electric Current
  • Electroplating

Chapter 15 - Some Natural Phenomena

The chapter includes mostly theoretical topics, which are observed by everyone of us. We should be all well aware of their causes and protection. So, the topics should not only be studied but you should also retain them in your mind for future. As they can be helpful anytime. 

  • Electric Charge, Charge Transfer and Electroscope
  • Lightening
  • Earthquake

Chapter 16 - Light

Light plays a very critical role in our daily life. Why are the things visible? How are there so many colours in the world? How does white sunlight give different beautiful colours? This is an amazing chapter to learn. Shadow and reflection are related with light. This chapter includes all of these.

  • Laws of reflection
  • Angle of incidence
  • Angle of reflection
  • Dispersion
  • Lateral inversion
  • Multiple images
  • Braille

Chapter 17 - Stars and the Solar System

This is an interesting chapter and you wouldn’t be bored while reading it. It’s about all the objects we see around us in daytime and nighttime in sky. We know that Sun is at the center and also only light source in our solar system. All other eight planets revolve around the Sun. First four planets are rocky while rest of the planets are gaseous planets.
Moon is the only natural satellite to our planet Earth, It is a non-luminous body and reflects the light of the Sun, due to which we see it in phases. You can observe the phases of Moon at night in the sky.
We also see innumerable stars at night when the sky is clear. They are all so far from us. Sun is also a star. If you observe the stars throughout the night, you will notice that they also rises from east and set in west, however pole star is always fixed in the sky.
These stars when viewed carefully, appear to make patterns in the sky. These patterns are known as constellation.
Comets and asteroids are also part of our solar system. Comets come from region beyond the planet Neptune. When they come closer to the Sun, they can be seen in the sky with tails.

  • Phases of Moon
  • Constellations
  • Sun and the Planets

Chapter 18 - Pollution of Air and Water

Go through the government initiatives like use of CNG in public vehicles, the ‘odd-even rule’ for private transport in Delhi and ‘Green Delhi-Clean Delhi’ to decrease air pollution, melting of icecaps around the world, greenhouse effect, global warming and respiratory diseases.
Also, read about campaigns like Ganga Bachao Abhiyan and Yamuna Bachao Abhiyan.
Relate all the government initiatives with consequences of air and water pollution to develop a better understanding of both.

1. Air pollution
     a) Air pollutants and their types
     b) Smog
     c) Role of CFCs in ozone hole formation
     d) Acid rain
     e) Greenhouse effect
     f) Greenhouse gasses
     g) Global warming
     h) Measures taken to prevent air pollution
2. Water pollution
     a) Water pollutants
     b) The Ganga case study
     c) Potable water
     d) Techniques to conserve water
     e) 3 R’s i.e Reduce, reuse and recycle

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FAQs on How to prepare for Class 8 Science: Tips & Tricks for Science

1. How can I effectively prepare for Class 8 Science?
Ans. To effectively prepare for Class 8 Science, you can follow these tips and tricks: - Start by understanding the syllabus and exam pattern. This will help you prioritize the important topics. - Create a study schedule and allocate specific time slots for each topic. - Use textbooks, reference books, and online resources to gather information and enhance your understanding. - Take notes while studying and make sure to revise them regularly. - Practice solving sample papers and previous year question papers to get familiar with the exam pattern and improve your problem-solving skills.
2. What are some important topics to focus on in Class 8 Science?
Ans. Some important topics to focus on in Class 8 Science are: - Crop Production and Management - Microorganisms: Friend and Foe - Conservation of Plants and Animals - Reproduction in Animals - Force and Pressure - Friction - Light - Sound - Pollution of Air and Water - Stars and the Solar System
3. How can I improve my conceptual understanding in Class 8 Science?
Ans. To improve your conceptual understanding in Class 8 Science, you can follow these steps: - Read the topics thoroughly and try to understand the underlying concepts. - Use diagrams, flowcharts, and mnemonics to visualize and remember the concepts. - Discuss the topics with your classmates or teachers to clarify any doubts. - Perform hands-on experiments and practical activities to reinforce your understanding. - Solve numerical problems and practice applying the concepts in real-life scenarios.
4. Are there any online resources available for Class 8 Science preparation?
Ans. Yes, there are several online resources available for Class 8 Science preparation. Some popular ones include: - NCERT's official website: It provides access to the official textbooks, solutions, and supplementary materials. - Educational websites: Websites like Khan Academy, BYJU'S, and TopperLearning offer video lessons, quizzes, and practice tests for Class 8 Science. - YouTube channels: Many educational YouTube channels, such as SciShow Kids and Crash Course Kids, provide engaging and informative videos on Class 8 Science topics. - Mobile apps: Apps like Meritnation, Vedantu, and Embibe have interactive study materials and practice tests for Class 8 Science.
5. How can I score well in the Class 8 Science exam?
Ans. To score well in the Class 8 Science exam, you can follow these tips: - Understand the marking scheme and weightage of different topics. Focus more on the topics with higher weightage. - Practice writing answers in a structured and concise manner. - Include relevant diagrams, labeled sketches, and examples in your answers to make them more informative and visually appealing. - Revise regularly and solve previous year question papers to get familiar with the exam pattern and time management. - Seek help from your teacher or classmates if you have any doubts or difficulty understanding a particular topic.
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